Window lock



FIG. 1 is a top plan view of a window lock in a closed configuration embodying our design;

FIG. 2 is a left end elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right end elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top plan view of the window lock as shown in FIG. 1 but in an open posture;

FIG. 8 is a left end elevational view thereof;

FIG. 9 is a rear elevational view thereof;

FIG. 10 is a right end elevational view thereof;

FIG. 11 is a front elevational view thereof; and,

FIG. 12 is a bottom plan view thereof. 

The ornamental design for a window lock, as shown and described. 